Merge branch 'master' into feature/add-sparkfun-iotnode-lorawan-board

.github/workflows/pull-request.yml

@@ -20,7 +20,7 @@ jobs:
       uses: codespell-project/actions-codespell@v2
       with:
         skip: ./ArduinoCore-API,./libraries/ESP8266SdFat,./libraries/Adafruit_TinyUSB_Arduino,./libraries/LittleFS/lib,./tools/pyserial,./pico-sdk,./.github,./docs/i2s.rst,./cores/rp2040/api,./libraries/FreeRTOS,./tools/libbearssl/bearssl,./include,./libraries/WiFi/examples/BearSSL_Server,./ota/uzlib,./libraries/http-parser/lib,./libraries/WebServer/examples/HelloServerBearSSL/HelloServerBearSSL.ino,./libraries/HTTPUpdateServer/examples/SecureBearSSLUpdater/SecureBearSSLUpdater.ino,./.git,./libraries/FatFS/lib/fatfs,./libraries/FatFS/src/diskio.h,./libraries/FatFS/src/ff.cpp,./libraries/FatFS/src/ffconf.h,./libraries/FatFS/src/ffsystem.cpp,./libraries/FatFS/src/ff.h,./libraries/lwIP_WINC1500/src/driver,./libraries/lwIP_WINC1500/src/common,./libraries/lwIP_WINC1500/src/bus_wrapper,./libraries/lwIP_WINC1500/src/spi_flash
-        ignore_words_list: ser,dout,shiftIn,acount
+        ignore_words_list: ser,dout,shiftIn,acount,froms
     - name: Get submodules for following tests
       run: git submodule update --init
     - name: Check package references
@@ -196,7 +196,7 @@ jobs:
     name: Mac
     strategy:
       matrix:
-        os: [macOS-12, macOS-14]
+        os: [macOS-13, macOS-14]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4

.gitignore

@@ -3,5 +3,7 @@ system
 tools/dist
 docs/_build
 ota/build
+ota/build-rp2350
+ota/build-rp2350-riscv
 tools/libpico/build
 platform.local.txt

.readthedocs.yaml

@@ -29,8 +29,8 @@ sphinx:
   # fail_on_warning: true
 
 # Optionally build your docs in additional formats such as PDF and ePub
-# formats:
-#   - pdf
+formats:
+  - pdf
 #   - epub
 
 # Optional but recommended, declare the Python requirements required

README.md

@@ -68,14 +68,16 @@ Read the [Contributing Guide](https://github.com/earlephilhower/arduino-pico/blo
 * Melopero Cookie RP2040
 * Melopero Shake RP2040
 * METE HOCA Akana R1
+* MyMakers RP2040
 * Neko Systems BL2040 Mini
-* Olimex RP2040-Pico30
 * Newsan Archi
 * nullbits Bit-C PRO
+* Olimex RP2040-Pico30
 * Pimoroni PGA2040
 * Pimoroni Pico Plus 2
 * Pimoroni Pico Plus 2W
 * Pimoroni Plasma2040
+* Pimoroni Plasma2350
 * Pimoroni Tiny2040
 * Pimoroni Tiny2350
 * Pintronix PinMax
@@ -137,6 +139,8 @@ Read the [Contributing Guide](https://github.com/earlephilhower/arduino-pico/blo
 * printf (i.e. debug) output over USB serial
 * Transparent use of PSRAM globals and heap (RP2350 only)
 * ARM or RISC-V (Hazard3) support for the RP2350
+* Semihosted serial and file system access
+* GPROF profiling support
 
 The RP2040 PIO state machines (SMs) are used to generate jitter-free:
 * Servos

cores/rp2040/Arduino.h

@@ -126,6 +126,7 @@ extern const String emptyString;
 #endif
 
 #include "SerialUART.h"
+#include "SerialSemi.h"
 #include "RP2040Support.h"
 #include "SerialPIO.h"
 #include "Bootsel.h"

cores/rp2040/AudioOutputBase.h

@@ -0,0 +1,21 @@
+// Abstract class for audio output devices to allow easy swapping between output devices
+
+#pragma once
+
+#include <Print.h>
+
+class AudioOutputBase : public Print {
+public:
+    virtual ~AudioOutputBase() { }
+    virtual bool setBuffers(size_t buffers, size_t bufferWords, int32_t silenceSample = 0) = 0;
+    virtual bool setBitsPerSample(int bps) = 0;
+    virtual bool setFrequency(int freq) = 0;
+    virtual bool setStereo(bool stereo = true) = 0;
+    virtual bool begin() = 0;
+    virtual bool end() = 0;
+    virtual bool getUnderflow() = 0;
+    virtual void onTransmit(void(*)(void *), void *) = 0;
+    // From Print
+    virtual size_t write(const uint8_t *buffer, size_t size) = 0;
+    virtual int availableForWrite() = 0;
+};

cores/rp2040/RP2040Support.cpp

@@ -18,9 +18,11 @@
     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
+#include <Arduino.h>
+#include <pico/runtime.h>
+
 #ifdef PICO_RP2040
 
-#include <Arduino.h>
 #include <hardware/structs/psm.h>
 
 extern "C" void boot_double_tap_check();
@@ -35,3 +37,17 @@ void RP2040::enableDoubleResetBootloader() {
 }
 
 #endif
+
+#ifdef __PROFILE
+Stream *__profileFile;
+int __writeProfileCB(const void *data, int len) {
+    return __profileFile->write((const char *)data, len);
+}
+
+#ifdef __PROFILE
+extern "C" void runtime_init_setup_profiling();
+#define PICO_RUNTIME_INIT_PROFILING "11011" // Towards the end, after PSRAM
+PICO_RUNTIME_INIT_FUNC_RUNTIME(runtime_init_setup_profiling, PICO_RUNTIME_INIT_PROFILING);
+#endif
+
+#endif

cores/rp2040/RP2040Support.h

@@ -18,6 +18,8 @@
     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
+#pragma once
+
 #include <hardware/clocks.h>
 #include <hardware/irq.h>
 #include <hardware/pio.h>
@@ -45,6 +47,13 @@
 
 extern "C" volatile bool __otherCoreIdled;
 
+extern "C" {
+#ifdef __PROFILE
+    typedef int (*profileWriteCB)(const void *data, int len);
+    extern void _writeProfile(profileWriteCB writeCB);
+#endif
+}
+
 class _MFIFO {
 public:
     _MFIFO() { /* noop */ };
@@ -180,7 +189,7 @@ class RP2040 {
 
     void begin() {
         _epoch = 0;
-#if !defined(__riscv)
+#if !defined(__riscv) && !defined(__PROFILE)
         if (!__isFreeRTOS) {
             // Enable SYSTICK exception
             exception_set_exclusive_handler(SYSTICK_EXCEPTION, _SystickHandler);
@@ -193,7 +202,7 @@ class RP2040 {
             _ccountPgm->prepare(&_pio, &_sm, &off);
             ccount_program_init(_pio, _sm, off);
             pio_sm_set_enabled(_pio, _sm, true);
-#if !defined(__riscv)
+#if !defined(__riscv) && !defined(__PROFILE)
         }
 #endif
     }
@@ -217,7 +226,7 @@ class RP2040 {
     // Get CPU cycle count.  Needs to do magic to extens 24b HW to something longer
     volatile uint64_t _epoch = 0;
     inline uint32_t getCycleCount() {
-#if !defined(__riscv)
+#if !defined(__riscv) && !defined(__PROFILE)
         if (!__isFreeRTOS) {
             uint32_t epoch;
             uint32_t ctr;
@@ -229,13 +238,13 @@ class RP2040 {
         } else {
 #endif
             return ccount_read(_pio, _sm);
-#if !defined(__riscv)
+#if !defined(__riscv) && !defined(__PROFILE)
         }
 #endif
     }
 
     inline uint64_t getCycleCount64() {
-#if !defined(__riscv)
+#if !defined(__riscv) && !defined(__PROFILE)
         if (!__isFreeRTOS) {
             uint64_t epoch;
             uint64_t ctr;
@@ -247,7 +256,7 @@ class RP2040 {
         } else {
 #endif
             return ccount_read(_pio, _sm);
-#if !defined(__riscv)
+#if !defined(__riscv) && !defined(__PROFILE)
         }
 #endif
     }
@@ -473,6 +482,21 @@ class RP2040 {
 #endif
     }
 
+#ifdef __PROFILE
+    void writeProfiling(Stream *f) {
+        extern Stream *__profileFile;
+        extern int __writeProfileCB(const void *data, int len);
+        __profileFile = f;
+        _writeProfile(__writeProfileCB);
+    }
+
+    size_t getProfileMemoryUsage() {
+        extern int __profileMemSize;
+        return (size_t) __profileMemSize;
+    }
+#endif
+
+
 
 private:
     static void _SystickHandler() {

cores/rp2040/RP2040Version.h

@@ -1,5 +1,5 @@
 #pragma once
 #define ARDUINO_PICO_MAJOR 4
-#define ARDUINO_PICO_MINOR 3
+#define ARDUINO_PICO_MINOR 4
 #define ARDUINO_PICO_REVISION 1
-#define ARDUINO_PICO_VERSION_STR "4.3.1"
+#define ARDUINO_PICO_VERSION_STR "4.4.1"